project64/Source/Project64-core/N64System/N64RomClass.h

/****************************************************************************
*                                                                           *
* Project64 - A Nintendo 64 emulator.                                      *
* http://www.pj64-emu.com/                                                  *
* Copyright (C) 2012 Project64. All rights reserved.                        *
*                                                                           *
* License:                                                                  *
* GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html                        *
*                                                                           *
****************************************************************************/
#pragma once

#include <Project64-core/N64System/N64Types.h>
#include <Project64-core/Settings/DebugSettings.h>

class CN64Rom :
    protected CDebugSettings
{
public:
    CN64Rom();
    ~CN64Rom();

    bool    LoadN64Image(const char * FileLoc, bool LoadBootCodeOnly = false);
    bool    LoadN64ImageIPL(const char * FileLoc, bool LoadBootCodeOnly = false);
    static bool IsValidRomImage(uint8_t Test[4]);
    void    SaveRomSettingID(bool temp);
    void    ClearRomSettingID();
    CICChip CicChipID();
    uint8_t *  GetRomAddress() { return m_ROMImage; }
    uint32_t   GetRomSize() const { return m_RomFileSize; }
    stdstr  GetRomMD5() const { return m_MD5; }
    stdstr  GetRomName() const { return m_RomName; }
    stdstr  GetFileName() const { return m_FileName; }
    Country GetCountry() const { return m_Country; }
    void    UnallocateRomImage();

    //Get a message id for the reason that you failed to load the rom
    LanguageStringID GetError() const { return m_ErrorMsg; }

private:
    bool   AllocateRomImage(uint32_t RomFileSize);
    bool   AllocateAndLoadN64Image(const char * FileLoc, bool LoadBootCodeOnly);
    bool   AllocateAndLoadZipImage(const char * FileLoc, bool LoadBootCodeOnly);
    void   ByteSwapRom();
    void   SetError(LanguageStringID ErrorMsg);
    static void NotificationCB(const char * Status, CN64Rom * _this);
    void   CalculateCicChip();
    void   CalculateRomCrc();

    //constant values
    enum { ReadFromRomSection = 0x400000 };

    //class variables
    CFile m_RomFile;
    void *m_hRomFileMapping;
    uint8_t * m_ROMImage;
    uint8_t * m_ROMImageBase;
    uint32_t m_RomFileSize;
    Country m_Country;
    CICChip m_CicChip;
    LanguageStringID m_ErrorMsg;
    stdstr m_RomName, m_FileName, m_MD5, m_RomIdent;
};